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Tel : 0086-021-60880117
S620QL steel is a kind of high yield strength quenched and Tempered structural steel material, S620QL steel plates also have -40 degree low temperature impact test.
S620QL steel is a kind of high yield strength quenched and Tempered structural steel material. The delivery condition for S620QL must be Q+T (quenched and Tempered ). S620QL steel plates also have -40 degree low temperature impact test. The material No. Of S620QL is 1.8927.
Standard : EN 10025-6
Dimension range : 3-150mm * 1000-3800mm * 3000-18000mm
S620QL LAHS steel plate Mechanical Properties :
|
Mechanical Properties |
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|
Grade |
Thickness |
Yield |
Tensile Strength |
Elongation |
Charpy V Notch Impact Test |
|
|
Degree |
Min Value |
|||||
|
S620QL |
mm |
Min Mpa |
Mpa |
Min % |
-40℃ |
J |
|
5≤t≤50 |
620 |
700-890 |
15% |
30 |
||
|
50＜t≤100 |
580 |
700-890 |
30 |
|||
|
100＜t≤150 |
560 |
650-830 |
30 |
|||
|
Note: Impact energy for impact test is on longitudinal |
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EN 10025-6 S620QL steel sheet Chemical Composition :
|
Chemical Composition |
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|
Grade |
The Element Max (%) |
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|
C |
Si |
Mn |
P |
S |
N |
B |
|
|
S620QL |
0.22 |
0.86 |
1.80 |
0.025 |
0.012 |
0.016 |
0.006 |
|
Cr |
Cu |
Mo |
Nb |
Ni |
Ti |
V |
|
|
1.60 |
0.55 |
0.74 |
0.07 |
2.1 |
0.07 |
0.14 |
|
Carbon Equivalent: CEV=【C+Mn/6+(Cr+Mo+V)/5+(Ni+Cu)/15】%
|
Thickness, mm |
Max CEV based on the ladle analysis |
|
5≤t≤50 |
0.65% |
|
50＜t≤100 |
0.77% |
|
100＜t≤150 |
0.83% |
Delivery Status : Normalizing or controlled rolling
S620QL high strength steel application :
S620QL steel plate is mainly used in manufacturing plants, general construction and all kinds of construction machinery, such as mining and construction of various types of drilling rigs, electric shovels, electric wheel anti-cart, mining vehicles, excavators, loaders, bulldozers, Cranes, coal mine hydraulic support, and other mechanical equipment and other pieces of machinery.
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